40268532 has 12 divisors (see below), whose sum is σ = 93959936. Its totient is φ = 13422840.

The previous prime is 40268531. The next prime is 40268537. The reversal of 40268532 is 23586204.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40268532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40268531) 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, 1677844 + ... + 1677867.

Almost surely, 2^40268532 is an apocalyptic number.

It is an amenable number.

40268532 is an abundant number, since it is smaller than the sum of its proper divisors (53691404).

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

40268532 is a wasteful number, since it uses less digits than its factorization.

40268532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355718 (or 3355716 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40268532 is about 6345.7491283536. The cubic root of 40268532 is about 342.7587885540.

The spelling of 40268532 in words is "forty million, two hundred sixty-eight thousand, five hundred thirty-two".