5624401642 has 4 divisors (see below), whose sum is σ = 8436602466. Its totient is φ = 2812200820.

The previous prime is 5624401621. The next prime is 5624401649. The reversal of 5624401642 is 2461044265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5149641121 + 474760521 = 71761^2 + 21789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5624401598 and 5624401607.

It is not an unprimeable number, because it can be changed into a prime (5624401649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406100409 + ... + 1406100412.

Almost surely, 2^5624401642 is an apocalyptic number.

5624401642 is a deficient number, since it is larger than the sum of its proper divisors (2812200824).

5624401642 is a wasteful number, since it uses less digits than its factorization.

5624401642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812200823.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 5624401642 is about 74996.0108405774. The cubic root of 5624401642 is about 1778.3835893996.

The spelling of 5624401642 in words is "five billion, six hundred twenty-four million, four hundred one thousand, six hundred forty-two".