40120699384 has 16 divisors (see below), whose sum is σ = 76645676520. Its totient is φ = 19681852320.

The previous prime is 40120699369. The next prime is 40120699429. The reversal of 40120699384 is 48399602104.

40120699384 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 2×40120699384² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47311722 + ... + 47312569.

Almost surely, 2^40120699384 is an apocalyptic number.

It is an amenable number.

40120699384 is a deficient number, since it is larger than the sum of its proper divisors (36524977136).

40120699384 is a wasteful number, since it uses less digits than its factorization.

40120699384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94624350 (or 94624346 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 40120699384 in words is "forty billion, one hundred twenty million, six hundred ninety-nine thousand, three hundred eighty-four".