400141038 has 16 divisors (see below), whose sum is σ = 873035136. Its totient is φ = 121254840.

The previous prime is 400141031. The next prime is 400141069. The reversal of 400141038 is 830141004.

It is a super-2 number, since 2×400141038² = 320225700583434888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400141031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031306 + ... + 3031437.

It is an arithmetic number, because the mean of its divisors is an integer number (54564696).

Almost surely, 2^400141038 is an apocalyptic number.

400141038 is an abundant number, since it is smaller than the sum of its proper divisors (472894098).

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

400141038 is a wasteful number, since it uses less digits than its factorization.

400141038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062759.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 400141038 is about 20003.5256392467. The cubic root of 400141038 is about 736.8928876245.

The spelling of 400141038 in words is "four hundred million, one hundred forty-one thousand, thirty-eight".