402112142030 has 64 divisors (see below), whose sum is σ = 771615590400. Its totient is φ = 150524588544.

The previous prime is 402112142023. The next prime is 402112142059. The reversal of 402112142030 is 30241211204.

It is a junction number, because it is equal to n+sod(n) for n = 402112141993 and 402112142011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43765097 + ... + 43774283.

It is an arithmetic number, because the mean of its divisors is an integer number (12056493600).

Almost surely, 2^402112142030 is an apocalyptic number.

402112142030 is a deficient number, since it is larger than the sum of its proper divisors (369503448370).

402112142030 is a wasteful number, since it uses less digits than its factorization.

402112142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13313.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 402112142030 its reverse (30241211204), we get a palindrome (432353353234).

The spelling of 402112142030 in words is "four hundred two billion, one hundred twelve million, one hundred forty-two thousand, thirty".