40366434 has 32 divisors (see below), whose sum is σ = 84168000. Its totient is φ = 12890304.

The previous prime is 40366429. The next prime is 40366511. The reversal of 40366434 is 43466304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23352 + ... + 25020.

It is an arithmetic number, because the mean of its divisors is an integer number (2630250).

Almost surely, 2^40366434 is an apocalyptic number.

40366434 is an abundant number, since it is smaller than the sum of its proper divisors (43801566).

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

40366434 is a wasteful number, since it uses less digits than its factorization.

40366434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 40366434 is about 6353.4584282893. The cubic root of 40366434 is about 343.0363387170.

The spelling of 40366434 in words is "forty million, three hundred sixty-six thousand, four hundred thirty-four".