40503703240 has 256 divisors, whose sum is σ = 124970065920. Its totient is φ = 11404938240.

The previous prime is 40503703237. The next prime is 40503703259. The reversal of 40503703240 is 4230730504.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 40503703199 and 40503703208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1871119 + ... + 1892641.

It is an arithmetic number, because the mean of its divisors is an integer number (488164320).

Almost surely, 2^40503703240 is an apocalyptic number.

40503703240 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 40503703240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62485032960).

40503703240 is an abundant number, since it is smaller than the sum of its proper divisors (84466362680).

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

40503703240 is a wasteful number, since it uses less digits than its factorization.

40503703240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21612 (or 21608 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The spelling of 40503703240 in words is "forty billion, five hundred three million, seven hundred three thousand, two hundred forty".