400145155313050 has 96 divisors (see below), whose sum is σ = 888138302832000. Its totient is φ = 134002098276480.

The previous prime is 400145155313011. The next prime is 400145155313077. The reversal of 400145155313050 is 50313551541004.

It is a super-2 number, since 2×400145155313050² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270565795 + ... + 272040694.

It is an arithmetic number, because the mean of its divisors is an integer number (9251440654500).

Almost surely, 2^{400145155313050} is an apocalyptic number.

400145155313050 is an abundant number, since it is smaller than the sum of its proper divisors (487993147518950).

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

400145155313050 is a wasteful number, since it uses less digits than its factorization.

400145155313050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542606565 (or 542606546 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 400145155313050 in words is "four hundred trillion, one hundred forty-five billion, one hundred fifty-five million, three hundred thirteen thousand, fifty".