40554156 has 12 divisors (see below), whose sum is σ = 94626392. Its totient is φ = 13518048.

The previous prime is 40554139. The next prime is 40554187. The reversal of 40554156 is 65145504.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689745 + ... + 1689768.

Almost surely, 2^40554156 is an apocalyptic number.

It is an amenable number.

40554156 is an abundant number, since it is smaller than the sum of its proper divisors (54072236).

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

40554156 is a wasteful number, since it uses less digits than its factorization.

40554156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379520 (or 3379518 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 40554156 is about 6368.2145064374. The cubic root of 40554156 is about 343.5672740819.

The spelling of 40554156 in words is "forty million, five hundred fifty-four thousand, one hundred fifty-six".