2690751420 has 96 divisors (see below), whose sum is σ = 9567129600. Its totient is φ = 615028032.

The previous prime is 2690751409. The next prime is 2690751421. The reversal of 2690751420 is 241570962.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690751421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352140 + ... + 359699.

It is an arithmetic number, because the mean of its divisors is an integer number (99657600).

Almost surely, 2^2690751420 is an apocalyptic number.

2690751420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2690751420 is an abundant number, since it is smaller than the sum of its proper divisors (6876378180).

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

2690751420 is a wasteful number, since it uses less digits than its factorization.

2690751420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711864 (or 711856 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2690751420 is about 51872.4533832746. The cubic root of 2690751420 is about 1390.8849014003.

The spelling of 2690751420 in words is "two billion, six hundred ninety million, seven hundred fifty-one thousand, four hundred twenty".