40102819194 has 16 divisors (see below), whose sum is σ = 80212331232. Its totient is φ = 13366490928.

The previous prime is 40102819189. The next prime is 40102819201. The reversal of 40102819194 is 49191820104.

40102819194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40102819194² (a number of 22 digits) contains 22 as substring.

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, 199224 + ... + 346259.

It is an arithmetic number, because the mean of its divisors is an integer number (5013270702).

Almost surely, 2^40102819194 is an apocalyptic number.

40102819194 is an abundant number, since it is smaller than the sum of its proper divisors (40109512038).

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

40102819194 is a wasteful number, since it uses less digits than its factorization.

40102819194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557741.

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 40102819194 in words is "forty billion, one hundred two million, eight hundred nineteen thousand, one hundred ninety-four".