2642598040 has 32 divisors (see below), whose sum is σ = 5949000000. Its totient is φ = 1056478464.

The previous prime is 2642598011. The next prime is 2642598047. The reversal of 2642598040 is 408952462.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2642597984 and 2642598002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642598047) 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, 63436 + ... + 96484.

It is an arithmetic number, because the mean of its divisors is an integer number (185906250).

Almost surely, 2^2642598040 is an apocalyptic number.

2642598040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2642598040 is an abundant number, since it is smaller than the sum of its proper divisors (3306401960).

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

2642598040 is a wasteful number, since it uses less digits than its factorization.

2642598040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35059 (or 35055 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2642598040 is about 51406.2062401030. The cubic root of 2642598040 is about 1382.5378699867.

The spelling of 2642598040 in words is "two billion, six hundred forty-two million, five hundred ninety-eight thousand, forty".