401401502630 has 32 divisors (see below), whose sum is σ = 724303468800. Its totient is φ = 160165306080.

The previous prime is 401401502629. The next prime is 401401502729. The reversal of 401401502630 is 36205104104.

It is a super-2 number, since 2×401401502630² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401401502630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7707137 + ... + 7759043.

It is an arithmetic number, because the mean of its divisors is an integer number (22634483400).

Almost surely, 2^401401502630 is an apocalyptic number.

401401502630 is a deficient number, since it is larger than the sum of its proper divisors (322901966170).

401401502630 is a wasteful number, since it uses less digits than its factorization.

401401502630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53804.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 401401502630 its reverse (36205104104), we get a palindrome (437606606734).

The spelling of 401401502630 in words is "four hundred one billion, four hundred one million, five hundred two thousand, six hundred thirty".