6475623140 has 48 divisors (see below), whose sum is σ = 15563654400. Its totient is φ = 2217048192.

The previous prime is 6475623131. The next prime is 6475623151. The reversal of 6475623140 is 413265746.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6475623094 and 6475623103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66641 + ... + 131879.

It is an arithmetic number, because the mean of its divisors is an integer number (324242800).

Almost surely, 2^6475623140 is an apocalyptic number.

It is an amenable number.

6475623140 is an abundant number, since it is smaller than the sum of its proper divisors (9088031260).

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

6475623140 is a wasteful number, since it uses less digits than its factorization.

6475623140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65964 (or 65962 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 6475623140 is about 80471.2566075614. The cubic root of 6475623140 is about 1863.9196583625.

Adding to 6475623140 its reverse (413265746), we get a palindrome (6888888886).

The spelling of 6475623140 in words is "six billion, four hundred seventy-five million, six hundred twenty-three thousand, one hundred forty".