40637298240 has 1008 divisors, whose sum is σ = 182383883136. Its totient is φ = 8430428160.

The previous prime is 40637298239. The next prime is 40637298241. The reversal of 40637298240 is 4289273604.

40637298240 is a `hidden beast` number, since 4 + 0 + 637 + 2 + 9 + 8 + 2 + 4 + 0 = 666.

40637298240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40637298239) and next prime (40637298241).

It is a tau number, because it is divible by the number of its divisors (1008).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40637298241) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 65862412 + ... + 65863028.

It is an arithmetic number, because the mean of its divisors is an integer number (180936392).

Almost surely, 2^40637298240 is an apocalyptic number.

40637298240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40637298240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91191941568).

40637298240 is an abundant number, since it is smaller than the sum of its proper divisors (141746584896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40637298240 is a wasteful number, since it uses less digits than its factorization.

40637298240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 40637298240 in words is "forty billion, six hundred thirty-seven million, two hundred ninety-eight thousand, two hundred forty".