400602236748 has 36 divisors (see below), whose sum is σ = 1087348929912. Its totient is φ = 114457781760.

The previous prime is 400602236743. The next prime is 400602236761. The reversal of 400602236748 is 847632206004.

It is a super-3 number, since 3×400602236748³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (400602236743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340647573 + ... + 340648748.

It is an arithmetic number, because the mean of its divisors is an integer number (30204136942).

Almost surely, 2^400602236748 is an apocalyptic number.

It is an amenable number.

400602236748 is an abundant number, since it is smaller than the sum of its proper divisors (686746693164).

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

400602236748 is a wasteful number, since it uses less digits than its factorization.

400602236748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681296342 (or 681296333 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 400602236748 in words is "four hundred billion, six hundred two million, two hundred thirty-six thousand, seven hundred forty-eight".