2445156040 has 32 divisors (see below), whose sum is σ = 5503279680. Its totient is φ = 977764032.

The previous prime is 2445156029. The next prime is 2445156041. The reversal of 2445156040 is 406515442.

It is a happy number.

2445156040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2445155993 and 2445156011.

It is not an unprimeable number, because it can be changed into a prime (2445156041) 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, 162517 + ... + 176923.

It is an arithmetic number, because the mean of its divisors is an integer number (171977490).

Almost surely, 2^2445156040 is an apocalyptic number.

2445156040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445156040 is an abundant number, since it is smaller than the sum of its proper divisors (3058123640).

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

2445156040 is a wasteful number, since it uses less digits than its factorization.

2445156040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18661 (or 18657 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2445156040 is about 49448.5190880374. The cubic root of 2445156040 is about 1347.2107091211.

The spelling of 2445156040 in words is "two billion, four hundred forty-five million, one hundred fifty-six thousand, forty".