401060040 has 32 divisors (see below), whose sum is σ = 1203180480. Its totient is φ = 106949312.

The previous prime is 401060021. The next prime is 401060041. The reversal of 401060040 is 40060104.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (401060041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670964 + ... + 1671203.

It is an arithmetic number, because the mean of its divisors is an integer number (37599390).

Almost surely, 2^401060040 is an apocalyptic number.

401060040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401060040 is an abundant number, since it is smaller than the sum of its proper divisors (802120440).

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

401060040 is a wasteful number, since it uses less digits than its factorization.

401060040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342181 (or 3342177 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401060040 is about 20026.4834656512. The cubic root of 401060040 is about 737.4565957411.

The spelling of 401060040 in words is "four hundred one million, sixty thousand, forty".