40525470720 has 352 divisors, whose sum is σ = 164598451200. Its totient is φ = 9262743552.

The previous prime is 40525470703. The next prime is 40525470731. The reversal of 40525470720 is 2707452504.

It is a happy number.

40525470720 is a `hidden beast` number, since 40 + 5 + 2 + 547 + 0 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 946741 + ... + 988619.

Almost surely, 2^40525470720 is an apocalyptic number.

40525470720 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 40525470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82299225600).

40525470720 is an abundant number, since it is smaller than the sum of its proper divisors (124072980480).

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

40525470720 is a wasteful number, since it uses less digits than its factorization.

40525470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41920 (or 41896 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The spelling of 40525470720 in words is "forty billion, five hundred twenty-five million, four hundred seventy thousand, seven hundred twenty".