7445417640 has 64 divisors (see below), whose sum is σ = 22363689600. Its totient is φ = 1983005952.

The previous prime is 7445417587. The next prime is 7445417657. The reversal of 7445417640 is 467145447.

It is a junction number, because it is equal to n+sod(n) for n = 7445417592 and 7445417601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61066 + ... + 136454.

It is an arithmetic number, because the mean of its divisors is an integer number (349432650).

Almost surely, 2^7445417640 is an apocalyptic number.

It is an amenable number.

7445417640 is an abundant number, since it is smaller than the sum of its proper divisors (14918271960).

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

7445417640 is a wasteful number, since it uses less digits than its factorization.

7445417640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76226 (or 76222 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 7445417640 is about 86286.8335263266. The cubic root of 7445417640 is about 1952.6737496911.

The spelling of 7445417640 in words is "seven billion, four hundred forty-five million, four hundred seventeen thousand, six hundred forty".