1628517242 has 16 divisors (see below), whose sum is σ = 2726821152. Its totient is φ = 723019920.

The previous prime is 1628517239. The next prime is 1628517257. The reversal of 1628517242 is 2427158261.

It is a junction number, because it is equal to n+sod(n) for n = 1628517196 and 1628517205.

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, 859793 + ... + 861684.

It is an arithmetic number, because the mean of its divisors is an integer number (170426322).

Almost surely, 2^1628517242 is an apocalyptic number.

1628517242 is a deficient number, since it is larger than the sum of its proper divisors (1098303910).

1628517242 is a wasteful number, since it uses less digits than its factorization.

1628517242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721533.

The product of its digits is 53760, while the sum is 38.

The square root of 1628517242 is about 40354.8911781459. The cubic root of 1628517242 is about 1176.5149595983.

The spelling of 1628517242 in words is "one billion, six hundred twenty-eight million, five hundred seventeen thousand, two hundred forty-two".