1952244945 has 48 divisors (see below), whose sum is σ = 4035462912. Its totient is φ = 853649280.

The previous prime is 1952244941. The next prime is 1952244961. The reversal of 1952244945 is 5494422591.

It is not a de Polignac number, because 1952244945 - 2² = 1952244941 is a prime.

It is a super-2 number, since 2×1952244945² = 7622520650556106050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1952244945.

It is not an unprimeable number, because it can be changed into a prime (1952244941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127486 + ... + 141975.

It is an arithmetic number, because the mean of its divisors is an integer number (84072144).

Almost surely, 2^1952244945 is an apocalyptic number.

1952244945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1952244945 is an abundant number, since it is smaller than the sum of its proper divisors (2083217967).

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

1952244945 is a wasteful number, since it uses less digits than its factorization.

1952244945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269502 (or 269499 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 1952244945 is about 44184.2160165822. The cubic root of 1952244945 is about 1249.8122267277.

The spelling of 1952244945 in words is "one billion, nine hundred fifty-two million, two hundred forty-four thousand, nine hundred forty-five".