2038995540 has 72 divisors (see below), whose sum is σ = 6453877248. Its totient is φ = 520090560.

The previous prime is 2038995533. The next prime is 2038995547. The reversal of 2038995540 is 455998302.

2038995540 is a `hidden beast` number, since 2 + 0 + 3 + 8 + 99 + 554 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2038995533) and next prime (2038995547).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2038995547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242116 + ... + 250395.

It is an arithmetic number, because the mean of its divisors is an integer number (89637184).

Almost surely, 2^2038995540 is an apocalyptic number.

2038995540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2038995540 is an abundant number, since it is smaller than the sum of its proper divisors (4414881708).

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

2038995540 is a wasteful number, since it uses less digits than its factorization.

2038995540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492549 (or 492544 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 2038995540 is about 45155.2382343400. The cubic root of 2038995540 is about 1268.0569497786.

It can be divided in two parts, 2038 and 995540, that added together give a triangular number (997578 = T₁₄₁₂).

The spelling of 2038995540 in words is "two billion, thirty-eight million, nine hundred ninety-five thousand, five hundred forty".