40972239450 has 48 divisors (see below), whose sum is σ = 112901285760. Its totient is φ = 10925930160.

The previous prime is 40972239443. The next prime is 40972239479. The reversal of 40972239450 is 5493227904.

40972239450 is a `hidden beast` number, since 409 + 7 + 2 + 239 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 40972239396 and 40972239405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15173554 + ... + 15176253.

It is an arithmetic number, because the mean of its divisors is an integer number (2352110120).

Almost surely, 2^40972239450 is an apocalyptic number.

40972239450 is an abundant number, since it is smaller than the sum of its proper divisors (71929046310).

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

40972239450 is a wasteful number, since it uses less digits than its factorization.

40972239450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30349828 (or 30349817 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 40972239450 in words is "forty billion, nine hundred seventy-two million, two hundred thirty-nine thousand, four hundred fifty".