40744341840 has 40 divisors (see below), whose sum is σ = 126307460448. Its totient is φ = 10865157760.

The previous prime is 40744341821. The next prime is 40744341853. The reversal of 40744341840 is 4814344704.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 84883806 + ... + 84884285.

Almost surely, 2^40744341840 is an apocalyptic number.

40744341840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40744341840 is an abundant number, since it is smaller than the sum of its proper divisors (85563118608).

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

40744341840 is a wasteful number, since it uses less digits than its factorization.

40744341840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169768107 (or 169768101 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 40744341840 in words is "forty billion, seven hundred forty-four million, three hundred forty-one thousand, eight hundred forty".