49140480 has 144 divisors (see below), whose sum is σ = 160118784. Its totient is φ = 12840960.

The previous prime is 49140473. The next prime is 49140571. The reversal of 49140480 is 8404194.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 257185 + ... + 257375.

It is an arithmetic number, because the mean of its divisors is an integer number (1111936).

Almost surely, 2^49140480 is an apocalyptic number.

49140480 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 49140480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80059392).

49140480 is an abundant number, since it is smaller than the sum of its proper divisors (110978304).

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

49140480 is a wasteful number, since it uses less digits than its factorization.

49140480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 49140480 is about 7010.0271040845. The cubic root of 49140480 is about 366.2799375249.

The spelling of 49140480 in words is "forty-nine million, one hundred forty thousand, four hundred eighty".