40421163746 has 16 divisors (see below), whose sum is σ = 63361410624. Its totient is φ = 19303290864.

The previous prime is 40421163737. The next prime is 40421163773. The reversal of 40421163746 is 64736112404.

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, 617840 + ... + 680123.

It is an arithmetic number, because the mean of its divisors is an integer number (3960088164).

Almost surely, 2^40421163746 is an apocalyptic number.

40421163746 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40421163746 is a deficient number, since it is larger than the sum of its proper divisors (22940246878).

40421163746 is a wasteful number, since it uses less digits than its factorization.

40421163746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298665.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 40421163746 in words is "forty billion, four hundred twenty-one million, one hundred sixty-three thousand, seven hundred forty-six".