401722524943 has 32 divisors (see below), whose sum is σ = 434274204672. Its totient is φ = 370984924800.

The previous prime is 401722524941. The next prime is 401722524977. The reversal of 401722524943 is 349425227104.

It is a cyclic number.

It is not a de Polignac number, because 401722524943 - 2¹ = 401722524941 is a prime.

It is a super-2 number, since 2×401722524943² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401722524943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401722524941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8030298 + ... + 8080168.

It is an arithmetic number, because the mean of its divisors is an integer number (13571068896).

Almost surely, 2^401722524943 is an apocalyptic number.

401722524943 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

401722524943 is a deficient number, since it is larger than the sum of its proper divisors (32551679729).

401722524943 is a wasteful number, since it uses less digits than its factorization.

401722524943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50095.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 401722524943 in words is "four hundred one billion, seven hundred twenty-two million, five hundred twenty-four thousand, nine hundred forty-three".