2790266740 has 24 divisors (see below), whose sum is σ = 5871093480. Its totient is φ = 1113909888.

The previous prime is 2790266737. The next prime is 2790266747. The reversal of 2790266740 is 476620972.

It can be written as a sum of positive squares in 4 ways, for example, as 612364516 + 2177902224 = 24746^2 + 46668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790266747) 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, 126867 + ... + 147226.

It is an arithmetic number, because the mean of its divisors is an integer number (244628895).

Almost surely, 2^2790266740 is an apocalyptic number.

2790266740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2790266740 is an abundant number, since it is smaller than the sum of its proper divisors (3080826740).

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

2790266740 is a wasteful number, since it uses less digits than its factorization.

2790266740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274611 (or 274609 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2790266740 is about 52822.9754936240. The cubic root of 2790266740 is about 1407.8246791485.

The spelling of 2790266740 in words is "two billion, seven hundred ninety million, two hundred sixty-six thousand, seven hundred forty".