402161070 has 32 divisors (see below), whose sum is σ = 966055968. Its totient is φ = 107146368.

The previous prime is 402161063. The next prime is 402161077. The reversal of 402161070 is 70161204.

402161070 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (402161063) and next prime (402161077).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402161077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31692 + ... + 42528.

It is an arithmetic number, because the mean of its divisors is an integer number (30189249).

Almost surely, 2^402161070 is an apocalyptic number.

402161070 is an abundant number, since it is smaller than the sum of its proper divisors (563894898).

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

402161070 is a wasteful number, since it uses less digits than its factorization.

402161070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 402161070 is about 20053.9539742167. The cubic root of 402161070 is about 738.1308255817.

The spelling of 402161070 in words is "four hundred two million, one hundred sixty-one thousand, seventy".