40502534 has 16 divisors (see below), whose sum is σ = 64531728. Its totient is φ = 18999552.

The previous prime is 40502519. The next prime is 40502537. The reversal of 40502534 is 43520504.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40502537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10082 + ... + 13514.

It is an arithmetic number, because the mean of its divisors is an integer number (4033233).

Almost surely, 2^40502534 is an apocalyptic number.

40502534 is a deficient number, since it is larger than the sum of its proper divisors (24029194).

40502534 is a wasteful number, since it uses less digits than its factorization.

40502534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40502534 is about 6364.1601174075. The cubic root of 40502534 is about 343.4214348534.

The spelling of 40502534 in words is "forty million, five hundred two thousand, five hundred thirty-four".