1050642780 has 48 divisors (see below), whose sum is σ = 3209238144. Its totient is φ = 254701120.

The previous prime is 1050642773. The next prime is 1050642821. The reversal of 1050642780 is 872460501.

It is a super-2 number, since 2×1050642780² = 2207700502332256800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795282 + ... + 796601.

It is an arithmetic number, because the mean of its divisors is an integer number (66859128).

Almost surely, 2^1050642780 is an apocalyptic number.

1050642780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050642780 is an abundant number, since it is smaller than the sum of its proper divisors (2158595364).

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

1050642780 is a wasteful number, since it uses less digits than its factorization.

1050642780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591906 (or 1591904 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1050642780 is about 32413.6202853060. The cubic root of 1050642780 is about 1016.6037174438.

The spelling of 1050642780 in words is "one billion, fifty million, six hundred forty-two thousand, seven hundred eighty".