401000102142 has 32 divisors (see below), whose sum is σ = 815675059584. Its totient is φ = 131406631200.

The previous prime is 401000102137. The next prime is 401000102143. The reversal of 401000102142 is 241201000104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401000102143) 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, 2299909 + ... + 2468112.

It is an arithmetic number, because the mean of its divisors is an integer number (25489845612).

Almost surely, 2^401000102142 is an apocalyptic number.

401000102142 is an abundant number, since it is smaller than the sum of its proper divisors (414674957442).

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

401000102142 is a wasteful number, since it uses less digits than its factorization.

401000102142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768264.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 401000102142 its reverse (241201000104), we get a palindrome (642201102246).

The spelling of 401000102142 in words is "four hundred one billion, one hundred two thousand, one hundred forty-two".