1623596442 has 16 divisors (see below), whose sum is σ = 3496977120. Its totient is φ = 499568112.

The previous prime is 1623596437. The next prime is 1623596479. The reversal of 1623596442 is 2446953261.

It is a junction number, because it is equal to n+sod(n) for n = 1623596394 and 1623596403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10407592 + ... + 10407747.

It is an arithmetic number, because the mean of its divisors is an integer number (218561070).

Almost surely, 2^1623596442 is an apocalyptic number.

1623596442 is an abundant number, since it is smaller than the sum of its proper divisors (1873380678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1623596442 is a wasteful number, since it uses less digits than its factorization.

1623596442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20815357.

The product of its digits is 311040, while the sum is 42.

The square root of 1623596442 is about 40293.8759863084. The cubic root of 1623596442 is about 1175.3287607592.

The spelling of 1623596442 in words is "one billion, six hundred twenty-three million, five hundred ninety-six thousand, four hundred forty-two".