2455540772 has 18 divisors (see below), whose sum is σ = 4535270838. Its totient is φ = 1163150208.

The previous prime is 2455540739. The next prime is 2455540811. The reversal of 2455540772 is 2770455542.

It can be written as a sum of positive squares in only one way, i.e., 2451636196 + 3904576 = 49514^2 + 1976^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 848813 + ... + 851700.

It is an arithmetic number, because the mean of its divisors is an integer number (251959491).

Almost surely, 2^2455540772 is an apocalyptic number.

It is an amenable number.

2455540772 is a deficient number, since it is larger than the sum of its proper divisors (2079730066).

2455540772 is a wasteful number, since it uses less digits than its factorization.

2455540772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700555 (or 1700534 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 41.

The square root of 2455540772 is about 49553.4133234029. The cubic root of 2455540772 is about 1349.1152450641.

The spelling of 2455540772 in words is "two billion, four hundred fifty-five million, five hundred forty thousand, seven hundred seventy-two".