40920073000 has 64 divisors (see below), whose sum is σ = 99054867600. Its totient is φ = 15803603200.

The previous prime is 40920072967. The next prime is 40920073021. The reversal of 40920073000 is 37002904.

It can be written as a sum of positive squares in 8 ways, for example, as 7166299716 + 33753773284 = 84654^2 + 183722^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676519 + ... + 734518.

Almost surely, 2^40920073000 is an apocalyptic number.

40920073000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40920073000 is an abundant number, since it is smaller than the sum of its proper divisors (58134794600).

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

40920073000 is a wasteful number, since it uses less digits than its factorization.

40920073000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411087 (or 1411073 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 40920073000 its reverse (37002904), we get a palindrome (40957075904).

The spelling of 40920073000 in words is "forty billion, nine hundred twenty million, seventy-three thousand".