49902480 has 240 divisors, whose sum is σ = 185238144. Its totient is φ = 12441600.

The previous prime is 49902469. The next prime is 49902487. The reversal of 49902480 is 8420994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is not an unprimeable number, because it can be changed into a prime (49902487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330405 + ... + 330555.

Almost surely, 2^49902480 is an apocalyptic number.

49902480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49902480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92619072).

49902480 is an abundant number, since it is smaller than the sum of its proper divisors (135335664).

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

49902480 is a wasteful number, since it uses less digits than its factorization.

49902480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 178 counting only the distinct ones).

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

The square root of 49902480 is about 7064.1687409065. The cubic root of 49902480 is about 368.1634828131.

The spelling of 49902480 in words is "forty-nine million, nine hundred two thousand, four hundred eighty".