401455430 has 16 divisors (see below), whose sum is σ = 723347280. Its totient is φ = 160420512.

The previous prime is 401455429. The next prime is 401455463. The reversal of 401455430 is 34554104.

It is a super-2 number, since 2×401455430² = 322332924552969800, which 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 401455430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9509 + ... + 29888.

It is an arithmetic number, because the mean of its divisors is an integer number (45209205).

Almost surely, 2^401455430 is an apocalyptic number.

401455430 is a deficient number, since it is larger than the sum of its proper divisors (321891850).

401455430 is a wasteful number, since it uses less digits than its factorization.

401455430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40423.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 401455430 is about 20036.3527120082. The cubic root of 401455430 is about 737.6988597137.

The spelling of 401455430 in words is "four hundred one million, four hundred fifty-five thousand, four hundred thirty".