1675353640 has 32 divisors (see below), whose sum is σ = 3770803080. Its totient is φ = 669917952.

The previous prime is 1675353637. The next prime is 1675353661. The reversal of 1675353640 is 463535761.

It can be written as a sum of positive squares in 4 ways, for example, as 1550941924 + 124411716 = 39382^2 + 11154^2 .

It is a super-2 number, since 2×1675353640² = 5613619638122499200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1675353593 and 1675353602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169474 + ... + 179086.

Almost surely, 2^1675353640 is an apocalyptic number.

1675353640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1675353640 is an abundant number, since it is smaller than the sum of its proper divisors (2095449440).

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

1675353640 is a wasteful number, since it uses less digits than its factorization.

1675353640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13981 (or 13977 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 1675353640 is about 40931.0840315768. The cubic root of 1675353640 is about 1187.6874421012.

The spelling of 1675353640 in words is "one billion, six hundred seventy-five million, three hundred fifty-three thousand, six hundred forty".