40972398 has 16 divisors (see below), whose sum is σ = 86257920. Its totient is φ = 12938616.

The previous prime is 40972279. The next prime is 40972403. The reversal of 40972398 is 89327904.

40972398 is nontrivially palindromic in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179590 + ... + 179817.

It is an arithmetic number, because the mean of its divisors is an integer number (5391120).

Almost surely, 2^40972398 is an apocalyptic number.

40972398 is an abundant number, since it is smaller than the sum of its proper divisors (45285522).

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

40972398 is a wasteful number, since it uses less digits than its factorization.

40972398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359431.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 40972398 is about 6400.9685204663. The cubic root of 40972398 is about 344.7443264295.

The spelling of 40972398 in words is "forty million, nine hundred seventy-two thousand, three hundred ninety-eight".