773666465240 has 32 divisors (see below), whose sum is σ = 1740813266880. Its totient is φ = 309455258112.

The previous prime is 773666465203. The next prime is 773666465329. The reversal of 773666465240 is 42564666377.

It is a super-2 number, since 2×773666465240² (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 798752 + ... + 1478288.

It is an arithmetic number, because the mean of its divisors is an integer number (54400414590).

Almost surely, 2^773666465240 is an apocalyptic number.

It is an amenable number.

773666465240 is an abundant number, since it is smaller than the sum of its proper divisors (967146801640).

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

773666465240 is a wasteful number, since it uses less digits than its factorization.

773666465240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708011 (or 708007 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 56.

The spelling of 773666465240 in words is "seven hundred seventy-three billion, six hundred sixty-six million, four hundred sixty-five thousand, two hundred forty".