40272446720 has 72 divisors (see below), whose sum is σ = 105234685920. Its totient is φ = 14644520960.

The previous prime is 40272446719. The next prime is 40272446723. The reversal of 40272446720 is 2764427204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40272446723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416050 + ... + 1444209.

It is an arithmetic number, because the mean of its divisors is an integer number (1461592860).

Almost surely, 2^40272446720 is an apocalyptic number.

40272446720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40272446720 is an abundant number, since it is smaller than the sum of its proper divisors (64962239200).

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

40272446720 is a wasteful number, since it uses less digits than its factorization.

40272446720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860291 (or 2860277 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 40272446720 in words is "forty billion, two hundred seventy-two million, four hundred forty-six thousand, seven hundred twenty".