401416156452 has 24 divisors (see below), whose sum is σ = 936819819936. Its totient is φ = 133779368128.

The previous prime is 401416156447. The next prime is 401416156457. The reversal of 401416156452 is 254651614104.

It is an interprime number because it is at equal distance from previous prime (401416156447) and next prime (401416156457).

It is a super-2 number, since 2×401416156452² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401416156452.

It is not an unprimeable number, because it can be changed into a prime (401416156457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187833 + ... + 3311360.

It is an arithmetic number, because the mean of its divisors is an integer number (39034159164).

Almost surely, 2^401416156452 is an apocalyptic number.

It is an amenable number.

401416156452 is an abundant number, since it is smaller than the sum of its proper divisors (535403663484).

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

401416156452 is a wasteful number, since it uses less digits than its factorization.

401416156452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504347 (or 6504345 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 401416156452 in words is "four hundred one billion, four hundred sixteen million, one hundred fifty-six thousand, four hundred fifty-two".