402515401320142 has 8 divisors (see below), whose sum is σ = 658661565796632. Its totient is φ = 182961546054600.

The previous prime is 402515401320133. The next prime is 402515401320181. The reversal of 402515401320142 is 241023104515204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 402515401320098 and 402515401320107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9148077302709 + ... + 9148077302752.

It is an arithmetic number, because the mean of its divisors is an integer number (82332695724579).

Almost surely, 2^{402515401320142} is an apocalyptic number.

402515401320142 is a deficient number, since it is larger than the sum of its proper divisors (256146164476490).

402515401320142 is a wasteful number, since it uses less digits than its factorization.

402515401320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18296154605474.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 402515401320142 its reverse (241023104515204), we get a palindrome (643538505835346).

The spelling of 402515401320142 in words is "four hundred two trillion, five hundred fifteen billion, four hundred one million, three hundred twenty thousand, one hundred forty-two".