2690143128 has 24 divisors (see below), whose sum is σ = 7285804500. Its totient is φ = 896714352.

The previous prime is 2690143123. The next prime is 2690143133. The reversal of 2690143128 is 8213410962.

It is an interprime number because it is at equal distance from previous prime (2690143123) and next prime (2690143133).

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 2690143092 and 2690143101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690143123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18681478 + ... + 18681621.

Almost surely, 2^2690143128 is an apocalyptic number.

It is an amenable number.

2690143128 is an abundant number, since it is smaller than the sum of its proper divisors (4595661372).

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

2690143128 is a wasteful number, since it uses less digits than its factorization.

2690143128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37363111 (or 37363104 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2690143128 is about 51866.5897085976. The cubic root of 2690143128 is about 1390.7800821150.

The spelling of 2690143128 in words is "two billion, six hundred ninety million, one hundred forty-three thousand, one hundred twenty-eight".