1648472355 has 48 divisors (see below), whose sum is σ = 2909986560. Its totient is φ = 863083584.

The previous prime is 1648472339. The next prime is 1648472383. The reversal of 1648472355 is 5532748461.

It is not a de Polignac number, because 1648472355 - 2⁴ = 1648472339 is a prime.

It is a super-2 number, since 2×1648472355² = 5434922210398492050, 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 1648472355.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1081624 + ... + 1083146.

It is an arithmetic number, because the mean of its divisors is an integer number (60624720).

Almost surely, 2^1648472355 is an apocalyptic number.

1648472355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1648472355 is a deficient number, since it is larger than the sum of its proper divisors (1261514205).

1648472355 is a wasteful number, since it uses less digits than its factorization.

1648472355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1957 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 1648472355 is about 40601.3836586883. The cubic root of 1648472355 is about 1181.3009579092.

The spelling of 1648472355 in words is "one billion, six hundred forty-eight million, four hundred seventy-two thousand, three hundred fifty-five".