40401024 has 32 divisors (see below), whose sum is σ = 107316240. Its totient is φ = 13466880.

The previous prime is 40401013. The next prime is 40401043. The reversal of 40401024 is 42010404.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40400994 and 40401012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52222 + ... + 52989.

Almost surely, 2^40401024 is an apocalyptic number.

It is an amenable number.

40401024 is an abundant number, since it is smaller than the sum of its proper divisors (66915216).

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

40401024 is a wasteful number, since it uses less digits than its factorization.

40401024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105228 (or 105216 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40401024 is about 6356.1799848651. The cubic root of 40401024 is about 343.1342933638.

Adding to 40401024 its reverse (42010404), we get a palindrome (82411428).

The spelling of 40401024 in words is "forty million, four hundred one thousand, twenty-four".