401251130552450 has 24 divisors (see below), whose sum is σ = 746433706407300. Its totient is φ = 160477526720000.

The previous prime is 401251130552449. The next prime is 401251130552453. The reversal of 401251130552450 is 54255031152104.

It can be written as a sum of positive squares in 6 ways, for example, as 24844452705241 + 376406677847209 = 4984421^2 + 19401203^2 .

It is a super-2 number, since 2×401251130552450² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401251130552453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572783975 + ... + 573484074.

Almost surely, 2^{401251130552450} is an apocalyptic number.

401251130552450 is a deficient number, since it is larger than the sum of its proper divisors (345182575854850).

401251130552450 is a wasteful number, since it uses less digits than its factorization.

401251130552450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146275062 (or 1146275057 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 401251130552450 in words is "four hundred one trillion, two hundred fifty-one billion, one hundred thirty million, five hundred fifty-two thousand, four hundred fifty".