7407040007040 has 64 divisors (see below), whose sum is σ = 23609940028560. Its totient is φ = 1975210668032.

The previous prime is 7407040007023. The next prime is 7407040007117. The reversal of 7407040007040 is 407000407047.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×7407040007040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7407040006992 and 7407040007010.

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, 1928914749 + ... + 1928918588.

Almost surely, 2^{7407040007040} is an apocalyptic number.

It is an amenable number.

7407040007040 is an abundant number, since it is smaller than the sum of its proper divisors (16202900021520).

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

7407040007040 is a wasteful number, since it uses less digits than its factorization.

7407040007040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857833359 (or 3857833347 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The spelling of 7407040007040 in words is "seven trillion, four hundred seven billion, forty million, seven thousand, forty".