42402004647 has 16 divisors (see below), whose sum is σ = 57520231680. Its totient is φ = 27777955392.

The previous prime is 42402004621. The next prime is 42402004649. The reversal of 42402004647 is 74640020424.

It is not a de Polignac number, because 42402004647 - 2⁶ = 42402004583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42402004649) 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, 175683 + ... + 340100.

It is an arithmetic number, because the mean of its divisors is an integer number (3595014480).

Almost surely, 2^42402004647 is an apocalyptic number.

42402004647 is a deficient number, since it is larger than the sum of its proper divisors (15118227033).

42402004647 is a wasteful number, since it uses less digits than its factorization.

42402004647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516262.

The product of its (nonzero) digits is 43008, while the sum is 33.

The spelling of 42402004647 in words is "forty-two billion, four hundred two million, four thousand, six hundred forty-seven".