670050040 has 32 divisors (see below), whose sum is σ = 1644669360. Its totient is φ = 243654400.

The previous prime is 670050013. The next prime is 670050077. The reversal of 670050040 is 40050076.

It is a super-2 number, since 2×670050040² = 897934112208003200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 670049993 and 670050020.

It is a congruent number.

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, 760981 + ... + 761860.

Almost surely, 2^670050040 is an apocalyptic number.

It is an amenable number.

670050040 is an abundant number, since it is smaller than the sum of its proper divisors (974619320).

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

670050040 is a wasteful number, since it uses less digits than its factorization.

670050040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522863 (or 1522859 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 670050040 is about 25885.3247999711. The cubic root of 670050040 is about 875.0557961699.

The spelling of 670050040 in words is "six hundred seventy million, fifty thousand, forty".