40113558 has 12 divisors (see below), whose sum is σ = 86912748. Its totient is φ = 13371180.

The previous prime is 40113511. The next prime is 40113581. The reversal of 40113558 is 85531104.

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 5 ways as a sum of consecutive naturals, for example, 1114248 + ... + 1114283.

It is an arithmetic number, because the mean of its divisors is an integer number (7242729).

Almost surely, 2^40113558 is an apocalyptic number.

40113558 is an abundant number, since it is smaller than the sum of its proper divisors (46799190).

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

40113558 is a wasteful number, since it uses less digits than its factorization.

40113558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228539 (or 2228536 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 40113558 is about 6333.5265058260. The cubic root of 40113558 is about 342.3185193031.

It can be divided in two parts, 4011 and 3558, that added together give a square (7569 = 87²).

The spelling of 40113558 in words is "forty million, one hundred thirteen thousand, five hundred fifty-eight".