40911156 has 120 divisors (see below), whose sum is σ = 125789664. Its totient is φ = 11430720.

The previous prime is 40911151. The next prime is 40911179. The reversal of 40911156 is 65111904.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40911151) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45891 + ... + 46773.

Almost surely, 2^40911156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40911156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62894832).

40911156 is an abundant number, since it is smaller than the sum of its proper divisors (84878508).

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

40911156 is a wasteful number, since it uses less digits than its factorization.

40911156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 40911156 is about 6396.1829242135. The cubic root of 40911156 is about 344.5724761024.

The spelling of 40911156 in words is "forty million, nine hundred eleven thousand, one hundred fifty-six".