401262504770 has 8 divisors (see below), whose sum is σ = 722272508604. Its totient is φ = 160505001904.

The previous prime is 401262504749. The next prime is 401262504779. The reversal of 401262504770 is 77405262104.

It can be written as a sum of positive squares in 2 ways, for example, as 385751545921 + 15510958849 = 621089^2 + 124543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401262504770² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401262504779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20063125229 + ... + 20063125248.

Almost surely, 2^401262504770 is an apocalyptic number.

401262504770 is a deficient number, since it is larger than the sum of its proper divisors (321010003834).

401262504770 is a wasteful number, since it uses less digits than its factorization.

401262504770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40126250484.

The product of its (nonzero) digits is 94080, while the sum is 38.

Adding to 401262504770 its reverse (77405262104), we get a palindrome (478667766874).

The spelling of 401262504770 in words is "four hundred one billion, two hundred sixty-two million, five hundred four thousand, seven hundred seventy".