401263695 has 48 divisors (see below), whose sum is σ = 811137600. Its totient is φ = 183427776.

The previous prime is 401263693. The next prime is 401263729. The reversal of 401263695 is 596362104.

It is a happy number.

401263695 is a `hidden beast` number, since 4 + 0 + 12 + 636 + 9 + 5 = 666.

401263695 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 401263695 - 2¹ = 401263693 is a prime.

It is a super-2 number, since 2×401263695² = 322025105850106050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401263693) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2437 + ... + 28433.

It is an arithmetic number, because the mean of its divisors is an integer number (16898700).

Almost surely, 2^401263695 is an apocalyptic number.

401263695 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401263695 is an abundant number, since it is smaller than the sum of its proper divisors (409873905).

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

401263695 is a wasteful number, since it uses less digits than its factorization.

401263695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26029 (or 26012 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 401263695 is about 20031.5674623830. The cubic root of 401263695 is about 737.5813994230.

The spelling of 401263695 in words is "four hundred one million, two hundred sixty-three thousand, six hundred ninety-five".