1955540902 has 48 divisors (see below), whose sum is σ = 3470867712. Its totient is φ = 823813200.

The previous prime is 1955540887. The next prime is 1955540927. The reversal of 1955540902 is 2090455591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1523553 + ... + 1524835.

It is an arithmetic number, because the mean of its divisors is an integer number (72309744).

Almost surely, 2^1955540902 is an apocalyptic number.

1955540902 is a deficient number, since it is larger than the sum of its proper divisors (1515326810).

1955540902 is a wasteful number, since it uses less digits than its factorization.

1955540902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 1955540902 is about 44221.4981880985. The cubic root of 1955540902 is about 1250.5151800691.

The spelling of 1955540902 in words is "one billion, nine hundred fifty-five million, five hundred forty thousand, nine hundred two".