426405232615 has 16 divisors (see below), whose sum is σ = 520224516000. Its totient is φ = 335435253120.

The previous prime is 426405232541. The next prime is 426405232621. The reversal of 426405232615 is 516232504624.

It is a happy number.

It is not a de Polignac number, because 426405232615 - 2¹³ = 426405224423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867417 + ... + 1266973.

It is an arithmetic number, because the mean of its divisors is an integer number (32514032250).

Almost surely, 2^426405232615 is an apocalyptic number.

426405232615 is a deficient number, since it is larger than the sum of its proper divisors (93819283385).

426405232615 is a wasteful number, since it uses less digits than its factorization.

426405232615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403122.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 426405232615 in words is "four hundred twenty-six billion, four hundred five million, two hundred thirty-two thousand, six hundred fifteen".