40670046040 has 96 divisors (see below), whose sum is σ = 99415950480. Its totient is φ = 14966954496.

The previous prime is 40670046013. The next prime is 40670046073. The reversal of 40670046040 is 4064007604.

It is a junction number, because it is equal to n+sod(n) for n = 40670045993 and 40670046011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2065522 + ... + 2085118.

Almost surely, 2^40670046040 is an apocalyptic number.

40670046040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40670046040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49707975240).

40670046040 is an abundant number, since it is smaller than the sum of its proper divisors (58745904440).

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

40670046040 is a wasteful number, since it uses less digits than its factorization.

40670046040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19941 (or 19924 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 40670046040 in words is "forty billion, six hundred seventy million, forty-six thousand, forty".