40072176 has 30 divisors (see below), whose sum is σ = 112146840. Its totient is φ = 13357344.

The previous prime is 40072169. The next prime is 40072177. The reversal of 40072176 is 67127004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40072177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138996 + ... + 139283.

It is an arithmetic number, because the mean of its divisors is an integer number (3738228).

Almost surely, 2^40072176 is an apocalyptic number.

It is an amenable number.

40072176 is an abundant number, since it is smaller than the sum of its proper divisors (72074664).

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

40072176 is a wasteful number, since it uses less digits than its factorization.

40072176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278293 (or 278284 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 40072176 is about 6330.2587624836. The cubic root of 40072176 is about 342.2007644448.

The spelling of 40072176 in words is "forty million, seventy-two thousand, one hundred seventy-six".