23777619240 has 32 divisors (see below), whose sum is σ = 71332858080. Its totient is φ = 6340698432.

The previous prime is 23777619221. The next prime is 23777619241. The reversal of 23777619240 is 4291677732.

It is a self number, because there is not a number n which added to its sum of digits gives 23777619240.

It is not an unprimeable number, because it can be changed into a prime (23777619241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99073294 + ... + 99073533.

It is an arithmetic number, because the mean of its divisors is an integer number (2229151815).

Almost surely, 2^23777619240 is an apocalyptic number.

23777619240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23777619240 is an abundant number, since it is smaller than the sum of its proper divisors (47555238840).

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

23777619240 is a wasteful number, since it uses less digits than its factorization.

23777619240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198146841 (or 198146837 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The spelling of 23777619240 in words is "twenty-three billion, seven hundred seventy-seven million, six hundred nineteen thousand, two hundred forty".