1955749488 has 80 divisors (see below), whose sum is σ = 6299049216. Its totient is φ = 507985920.

The previous prime is 1955749451. The next prime is 1955749489. The reversal of 1955749488 is 8849475591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955749489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260881 + ... + 268272.

Almost surely, 2^1955749488 is an apocalyptic number.

It is an amenable number.

1955749488 is an abundant number, since it is smaller than the sum of its proper divisors (4343299728).

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

1955749488 is a wasteful number, since it uses less digits than its factorization.

1955749488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529182 (or 529176 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 60.

The square root of 1955749488 is about 44223.8565482478. The cubic root of 1955749488 is about 1250.5596401782.

The spelling of 1955749488 in words is "one billion, nine hundred fifty-five million, seven hundred forty-nine thousand, four hundred eighty-eight".