40250939872 has 384 divisors, whose sum is σ = 101443829760. Its totient is φ = 15458826240.

The previous prime is 40250939863. The next prime is 40250939909. The reversal of 40250939872 is 27893905204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 390785773 + ... + 390785875.

It is an arithmetic number, because the mean of its divisors is an integer number (264176640).

Almost surely, 2^40250939872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40250939872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50721914880).

40250939872 is an abundant number, since it is smaller than the sum of its proper divisors (61192889888).

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

40250939872 is a wasteful number, since it uses less digits than its factorization.

40250939872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 40250939872 in words is "forty billion, two hundred fifty million, nine hundred thirty-nine thousand, eight hundred seventy-two".