40051888 has 40 divisors (see below), whose sum is σ = 80271648. Its totient is φ = 19348992.

The previous prime is 40051883. The next prime is 40051889. The reversal of 40051888 is 88815004.

It is not an unprimeable number, because it can be changed into a prime (40051883) 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, 61581 + ... + 62227.

Almost surely, 2^40051888 is an apocalyptic number.

It is an amenable number.

40051888 is an abundant number, since it is smaller than the sum of its proper divisors (40219760).

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

40051888 is a wasteful number, since it uses less digits than its factorization.

40051888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 40051888 is about 6328.6560974665. The cubic root of 40051888 is about 342.1430041585.

The spelling of 40051888 in words is "forty million, fifty-one thousand, eight hundred eighty-eight".