49046042886640 has 80 divisors (see below), whose sum is σ = 118093683127680. Its totient is φ = 18921126748160.

The previous prime is 49046042886637. The next prime is 49046042886703. The reversal of 49046042886640 is 4668824064094.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 9489409 + ... + 13716448.

It is an arithmetic number, because the mean of its divisors is an integer number (1476171039096).

Almost surely, 2^{49046042886640} is an apocalyptic number.

49046042886640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49046042886640 is an abundant number, since it is smaller than the sum of its proper divisors (69047640241040).

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

49046042886640 is a wasteful number, since it uses less digits than its factorization.

49046042886640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23206810 (or 23206804 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 61.

The spelling of 49046042886640 in words is "forty-nine trillion, forty-six billion, forty-two million, eight hundred eighty-six thousand, six hundred forty".