40375428 has 24 divisors (see below), whose sum is σ = 95538240. Its totient is φ = 13268640.

The previous prime is 40375417. The next prime is 40375429. The reversal of 40375428 is 82457304.

It is not an unprimeable number, because it can be changed into a prime (40375429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22843 + ... + 24546.

It is an arithmetic number, because the mean of its divisors is an integer number (3980760).

Almost surely, 2^40375428 is an apocalyptic number.

It is an amenable number.

40375428 is an abundant number, since it is smaller than the sum of its proper divisors (55162812).

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

40375428 is a wasteful number, since it uses less digits than its factorization.

40375428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47467 (or 47465 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 40375428 is about 6354.1661923497. The cubic root of 40375428 is about 343.0618140060.

The spelling of 40375428 in words is "forty million, three hundred seventy-five thousand, four hundred twenty-eight".