40055132 has 12 divisors (see below), whose sum is σ = 75488616. Its totient is φ = 18486960.

The previous prime is 40055107. The next prime is 40055137. The reversal of 40055132 is 23155004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385094 + ... + 385197.

It is an arithmetic number, because the mean of its divisors is an integer number (6290718).

Almost surely, 2^40055132 is an apocalyptic number.

It is an amenable number.

40055132 is a deficient number, since it is larger than the sum of its proper divisors (35433484).

40055132 is a wasteful number, since it uses less digits than its factorization.

40055132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770308 (or 770306 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 40055132 is about 6328.9123868166. The cubic root of 40055132 is about 342.1522411924.

The spelling of 40055132 in words is "forty million, fifty-five thousand, one hundred thirty-two".