40697450 has 24 divisors (see below), whose sum is σ = 76414752. Its totient is φ = 16124720.

The previous prime is 40697401. The next prime is 40697467. The reversal of 40697450 is 5479604.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40697450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1547 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (3183948).

Almost surely, 2^40697450 is an apocalyptic number.

40697450 is a deficient number, since it is larger than the sum of its proper divisors (35717302).

40697450 is a wasteful number, since it uses less digits than its factorization.

40697450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726 (or 7721 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 40697450 is about 6379.4553059019. The cubic root of 40697450 is about 343.9714517953.

The spelling of 40697450 in words is "forty million, six hundred ninety-seven thousand, four hundred fifty".