1552780140 has 48 divisors (see below), whose sum is σ = 4536822528. Its totient is φ = 396071104.

The previous prime is 1552780139. The next prime is 1552780157. The reversal of 1552780140 is 410872551.

1552780140 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1552780140² = 4822252326356839200, which contains 22 as substring.

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, 561222 + ... + 563981.

It is an arithmetic number, because the mean of its divisors is an integer number (94517136).

Almost surely, 2^1552780140 is an apocalyptic number.

1552780140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552780140 is an abundant number, since it is smaller than the sum of its proper divisors (2984042388).

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

1552780140 is a wasteful number, since it uses less digits than its factorization.

1552780140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125238 (or 1125236 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1552780140 is about 39405.3313651846. The cubic root of 1552780140 is about 1157.9860367424.

The spelling of 1552780140 in words is "one billion, five hundred fifty-two million, seven hundred eighty thousand, one hundred forty".