40342619520 has 384 divisors, whose sum is σ = 160248479040. Its totient is φ = 9160998912.

The previous prime is 40342619507. The next prime is 40342619543. The reversal of 40342619520 is 2591624304.

It is a happy number.

40342619520 is a `hidden beast` number, since 4 + 0 + 34 + 2 + 619 + 5 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6327054 + ... + 6333426.

Almost surely, 2^40342619520 is an apocalyptic number.

40342619520 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 40342619520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80124239520).

40342619520 is an abundant number, since it is smaller than the sum of its proper divisors (119905859520).

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

40342619520 is a wasteful number, since it uses less digits than its factorization.

40342619520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562 (or 6547 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 40342619520 in words is "forty billion, three hundred forty-two million, six hundred nineteen thousand, five hundred twenty".