49764780 has 240 divisors, whose sum is σ = 179292960. Its totient is φ = 11446272.

The previous prime is 49764779. The next prime is 49764787. The reversal of 49764780 is 8746794.

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

It is not an unprimeable number, because it can be changed into a prime (49764787) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 357951 + ... + 358089.

It is an arithmetic number, because the mean of its divisors is an integer number (747054).

Almost surely, 2^49764780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49764780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89646480).

49764780 is an abundant number, since it is smaller than the sum of its proper divisors (129528180).

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

49764780 is a wasteful number, since it uses less digits than its factorization.

49764780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 49764780 is about 7054.4156384494. The cubic root of 49764780 is about 367.8245363106.

The spelling of 49764780 in words is "forty-nine million, seven hundred sixty-four thousand, seven hundred eighty".