400935942 has 36 divisors (see below), whose sum is σ = 948333204. Its totient is φ = 121410360.

The previous prime is 400935923. The next prime is 400935943. The reversal of 400935942 is 249539004.

It is a junction number, because it is equal to n+sod(n) for n = 400935897 and 400935906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400935943) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 281043 + ... + 282465.

It is an arithmetic number, because the mean of its divisors is an integer number (26342589).

Almost surely, 2^400935942 is an apocalyptic number.

400935942 is an abundant number, since it is smaller than the sum of its proper divisors (547397262).

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

400935942 is a wasteful number, since it uses less digits than its factorization.

400935942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 1439 counting only the distinct ones).

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

The square root of 400935942 is about 20023.3848786862. The cubic root of 400935942 is about 737.3805253939.

The spelling of 400935942 in words is "four hundred million, nine hundred thirty-five thousand, nine hundred forty-two".