400261011633230 has 64 divisors (see below), whose sum is σ = 832204547822592. Its totient is φ = 136987048880640.

The previous prime is 400261011633173. The next prime is 400261011633311. The reversal of 400261011633230 is 32336110162004.

It is a super-3 number, since 3×400261011633230³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509307647 + ... + 510092933.

It is an arithmetic number, because the mean of its divisors is an integer number (13003196059728).

Almost surely, 2^{400261011633230} is an apocalyptic number.

400261011633230 is an abundant number, since it is smaller than the sum of its proper divisors (431943536189362).

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

400261011633230 is a wasteful number, since it uses less digits than its factorization.

400261011633230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057889.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 400261011633230 its reverse (32336110162004), we get a palindrome (432597121795234).

The spelling of 400261011633230 in words is "four hundred trillion, two hundred sixty-one billion, eleven million, six hundred thirty-three thousand, two hundred thirty".