2621496042 has 32 divisors (see below), whose sum is σ = 6355143360. Its totient is φ = 794392560.

The previous prime is 2621496037. The next prime is 2621496061. The reversal of 2621496042 is 2406941262.

2621496042 is a `hidden beast` number, since 2 + 6 + 2 + 1 + 49 + 604 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2621495988 and 2621496006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2206053 + ... + 2207240.

It is an arithmetic number, because the mean of its divisors is an integer number (198598230).

Almost surely, 2^2621496042 is an apocalyptic number.

2621496042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2621496042 is an abundant number, since it is smaller than the sum of its proper divisors (3733647318).

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

2621496042 is a wasteful number, since it uses less digits than its factorization.

2621496042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413315 (or 4413309 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2621496042 is about 51200.5472822313. The cubic root of 2621496042 is about 1378.8480273014.

The spelling of 2621496042 in words is "two billion, six hundred twenty-one million, four hundred ninety-six thousand, forty-two".