402047512439 has 8 divisors (see below), whose sum is σ = 406958211072. Its totient is φ = 397138403320.

The previous prime is 402047512411. The next prime is 402047512453. The reversal of 402047512439 is 934215740204.

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

It is not a de Polignac number, because 402047512439 - 2³² = 397752545143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402047512396 and 402047512405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402047514439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115604 + ... + 904134.

It is an arithmetic number, because the mean of its divisors is an integer number (50869776384).

Almost surely, 2^402047512439 is an apocalyptic number.

402047512439 is a deficient number, since it is larger than the sum of its proper divisors (4910698633).

402047512439 is an equidigital number, since it uses as much as digits as its factorization.

402047512439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794757.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 402047512439 in words is "four hundred two billion, forty-seven million, five hundred twelve thousand, four hundred thirty-nine".