2745702040 has 32 divisors (see below), whose sum is σ = 6193746000. Its totient is φ = 1095451264.

The previous prime is 2745702017. The next prime is 2745702067. The reversal of 2745702040 is 402075472.

It is a junction number, because it is equal to n+sod(n) for n = 2745701993 and 2745702011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72670 + ... + 103789.

Almost surely, 2^2745702040 is an apocalyptic number.

2745702040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745702040 is an abundant number, since it is smaller than the sum of its proper divisors (3448043960).

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

2745702040 is a wasteful number, since it uses less digits than its factorization.

2745702040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176859 (or 176855 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 2745702040 is about 52399.4469436463. The cubic root of 2745702040 is about 1400.2894027567.

The spelling of 2745702040 in words is "two billion, seven hundred forty-five million, seven hundred two thousand, forty".