40401412 has 24 divisors (see below), whose sum is σ = 72578016. Its totient is φ = 19672128.

The previous prime is 40401397. The next prime is 40401421. The reversal of 40401412 is 21410404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23403 + ... + 25069.

It is an arithmetic number, because the mean of its divisors is an integer number (3024084).

Almost surely, 2^40401412 is an apocalyptic number.

It is an amenable number.

40401412 is a deficient number, since it is larger than the sum of its proper divisors (32176604).

40401412 is a wasteful number, since it uses less digits than its factorization.

40401412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 40401412 is about 6356.2105062687. The cubic root of 40401412 is about 343.1353918151.

Adding to 40401412 its reverse (21410404), we get a palindrome (61811816).

The spelling of 40401412 in words is "forty million, four hundred one thousand, four hundred twelve".