49016240 has 80 divisors (see below), whose sum is σ = 140282688. Its totient is φ = 15510528.

The previous prime is 49016237. The next prime is 49016269. The reversal of 49016240 is 4261094.

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

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 3914 + ... + 10646.

Almost surely, 2^49016240 is an apocalyptic number.

49016240 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 49016240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70141344).

49016240 is an abundant number, since it is smaller than the sum of its proper divisors (91266448).

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

49016240 is a wasteful number, since it uses less digits than its factorization.

49016240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766 (or 6760 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 49016240 is about 7001.1599039016. The cubic root of 49016240 is about 365.9709931524.

The spelling of 49016240 in words is "forty-nine million, sixteen thousand, two hundred forty".