401551130 has 48 divisors (see below), whose sum is σ = 781729704. Its totient is φ = 148400640.

The previous prime is 401551061. The next prime is 401551141. The reversal of 401551130 is 31155104.

It can be written as a sum of positive squares in 4 ways, for example, as 337567129 + 63984001 = 18373^2 + 7999^2 .

It is a super-2 number, since 2×401551130² = 322486620008553800, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 146654 + ... + 149366.

Almost surely, 2^401551130 is an apocalyptic number.

401551130 is a deficient number, since it is larger than the sum of its proper divisors (380178574).

401551130 is a wasteful number, since it uses less digits than its factorization.

401551130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 401551130 is about 20038.7407288981. The cubic root of 401551130 is about 737.7574732538.

The spelling of 401551130 in words is "four hundred one million, five hundred fifty-one thousand, one hundred thirty".