1628615242 has 8 divisors (see below), whose sum is σ = 2447820000. Its totient is φ = 812675244.

The previous prime is 1628615231. The next prime is 1628615251. The reversal of 1628615242 is 2425168261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814942 + ... + 816937.

It is an arithmetic number, because the mean of its divisors is an integer number (305977500).

Almost surely, 2^1628615242 is an apocalyptic number.

1628615242 is a deficient number, since it is larger than the sum of its proper divisors (819204758).

1628615242 is a wasteful number, since it uses less digits than its factorization.

1628615242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632380.

The product of its digits is 46080, while the sum is 37.

The square root of 1628615242 is about 40356.1053869176. The cubic root of 1628615242 is about 1176.5385590114.

The spelling of 1628615242 in words is "one billion, six hundred twenty-eight million, six hundred fifteen thousand, two hundred forty-two".