1550045251630 has 64 divisors (see below), whose sum is σ = 3043348070400. Its totient is φ = 566664658560.

The previous prime is 1550045251621. The next prime is 1550045251637. The reversal of 1550045251630 is 361525400551.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1550045251630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550045251637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 812665 + ... + 1939204.

It is an arithmetic number, because the mean of its divisors is an integer number (47552313600).

Almost surely, 2^{1550045251630} is an apocalyptic number.

1550045251630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1550045251630 is a deficient number, since it is larger than the sum of its proper divisors (1493302818770).

1550045251630 is a wasteful number, since it uses less digits than its factorization.

1550045251630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752009.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 1550045251630 in words is "one trillion, five hundred fifty billion, forty-five million, two hundred fifty-one thousand, six hundred thirty".