40007000670 has 256 divisors, whose sum is σ = 121672212480. Its totient is φ = 8194867200.

The previous prime is 40007000633. The next prime is 40007000681. The reversal of 40007000670 is 7600070004.

It is a self number, because there is not a number n which added to its sum of digits gives 40007000670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13154350 + ... + 13157390.

It is an arithmetic number, because the mean of its divisors is an integer number (475282080).

Almost surely, 2^40007000670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40007000670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60836106240).

40007000670 is an abundant number, since it is smaller than the sum of its proper divisors (81665211810).

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

40007000670 is a wasteful number, since it uses less digits than its factorization.

40007000670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211.

The product of its (nonzero) digits is 1176, while the sum is 24.

Adding to 40007000670 its reverse (7600070004), we get a palindrome (47607070674).

The spelling of 40007000670 in words is "forty billion, seven million, six hundred seventy", and thus it is an aban number.