695128940 has 24 divisors (see below), whose sum is σ = 1592477712. Its totient is φ = 252774080.

The previous prime is 695128939. The next prime is 695128943. The reversal of 695128940 is 49821596.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 695128891 and 695128900.

It is not an unprimeable number, because it can be changed into a prime (695128943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579619 + ... + 1580058.

It is an arithmetic number, because the mean of its divisors is an integer number (66353238).

Almost surely, 2^695128940 is an apocalyptic number.

It is an amenable number.

695128940 is an abundant number, since it is smaller than the sum of its proper divisors (897348772).

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

695128940 is a wasteful number, since it uses less digits than its factorization.

695128940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159697 (or 3159695 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 695128940 is about 26365.2980260038. The cubic root of 695128940 is about 885.8396661363.

The spelling of 695128940 in words is "six hundred ninety-five million, one hundred twenty-eight thousand, nine hundred forty".