40698942080 has 128 divisors (see below), whose sum is σ = 98855527680. Its totient is φ = 16020652032.

The previous prime is 40698942079. The next prime is 40698942107. The reversal of 40698942080 is 8024989604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 11006792 + ... + 11010488.

It is an arithmetic number, because the mean of its divisors is an integer number (772308810).

Almost surely, 2^40698942080 is an apocalyptic number.

40698942080 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 40698942080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49427763840).

40698942080 is an abundant number, since it is smaller than the sum of its proper divisors (58156585600).

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

40698942080 is a wasteful number, since it uses less digits than its factorization.

40698942080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986 (or 3974 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 40698942080 in words is "forty billion, six hundred ninety-eight million, nine hundred forty-two thousand, eighty".