401570043 has 24 divisors (see below), whose sum is σ = 624067920. Its totient is φ = 229017600.

The previous prime is 401570023. The next prime is 401570053. The reversal of 401570043 is 340075104.

It is not a de Polignac number, because 401570043 - 2⁶ = 401569979 is a prime.

It is a super-2 number, since 2×401570043² = 322516998870043698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401569995 and 401570022.

It is not an unprimeable number, because it can be changed into a prime (401570003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81243 + ... + 86043.

It is an arithmetic number, because the mean of its divisors is an integer number (26002830).

Almost surely, 2^401570043 is an apocalyptic number.

401570043 is a deficient number, since it is larger than the sum of its proper divisors (222497877).

401570043 is a wasteful number, since it uses less digits than its factorization.

401570043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 401570043 is about 20039.2126342329. The cubic root of 401570043 is about 737.7690558286.

The spelling of 401570043 in words is "four hundred one million, five hundred seventy thousand, forty-three".