40373057890 has 64 divisors (see below), whose sum is σ = 82250328960. Its totient is φ = 14133629440.

The previous prime is 40373057887. The next prime is 40373057909. The reversal of 40373057890 is 9875037304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40373057890.

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, 1088694 + ... + 1125166.

It is an arithmetic number, because the mean of its divisors is an integer number (1285161390).

Almost surely, 2^40373057890 is an apocalyptic number.

40373057890 is an abundant number, since it is smaller than the sum of its proper divisors (41877271070).

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

40373057890 is a wasteful number, since it uses less digits than its factorization.

40373057890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36867.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 40373057890 in words is "forty billion, three hundred seventy-three million, fifty-seven thousand, eight hundred ninety".