40055534 has 32 divisors (see below), whose sum is σ = 67123200. Its totient is φ = 17845920.

The previous prime is 40055507. The next prime is 40055539. The reversal of 40055534 is 43555004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43127 + ... + 44045.

It is an arithmetic number, because the mean of its divisors is an integer number (2097600).

Almost surely, 2^40055534 is an apocalyptic number.

40055534 is a deficient number, since it is larger than the sum of its proper divisors (27067666).

40055534 is a wasteful number, since it uses less digits than its factorization.

40055534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 40055534 is about 6328.9441457482. The cubic root of 40055534 is about 342.1533858209.

The spelling of 40055534 in words is "forty million, fifty-five thousand, five hundred thirty-four".