842400102 has 32 divisors (see below), whose sum is σ = 1696391424. Its totient is φ = 278876000.

The previous prime is 842400101. The next prime is 842400109. The reversal of 842400102 is 201004248.

It is a super-2 number, since 2×842400102² = 1419275863699220808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842400101) 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, 646852 + ... + 648152.

It is an arithmetic number, because the mean of its divisors is an integer number (53012232).

Almost surely, 2^842400102 is an apocalyptic number.

842400102 is an abundant number, since it is smaller than the sum of its proper divisors (853991322).

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

842400102 is a wasteful number, since it uses less digits than its factorization.

842400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 842400102 is about 29024.1296510335. The cubic root of 842400102 is about 944.4365880971.

The spelling of 842400102 in words is "eight hundred forty-two million, four hundred thousand, one hundred two".