40904358 has 16 divisors (see below), whose sum is σ = 89246016. Its totient is φ = 12395240.

The previous prime is 40904273. The next prime is 40904387. The reversal of 40904358 is 85340904.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309816 + ... + 309947.

It is an arithmetic number, because the mean of its divisors is an integer number (5577876).

Almost surely, 2^40904358 is an apocalyptic number.

40904358 is an abundant number, since it is smaller than the sum of its proper divisors (48341658).

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

40904358 is a wasteful number, since it uses less digits than its factorization.

40904358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619779.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 40904358 is about 6395.6514914432. The cubic root of 40904358 is about 344.5533897563.

It can be divided in two parts, 4090 and 4358, that added together give a palindrome (8448).

The spelling of 40904358 in words is "forty million, nine hundred four thousand, three hundred fifty-eight".