49379040 has 144 divisors (see below), whose sum is σ = 171950688. Its totient is φ = 12899328.

The previous prime is 49379021. The next prime is 49379059. The reversal of 49379040 is 4097394.

It is an interprime number because it is at equal distance from previous prime (49379021) and next prime (49379059).

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a junction number, because it is equal to n+sod(n) for n = 49378986 and 49379004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75997 + ... + 76643.

It is an arithmetic number, because the mean of its divisors is an integer number (1194102).

Almost surely, 2^49379040 is an apocalyptic number.

49379040 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 49379040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85975344).

49379040 is an abundant number, since it is smaller than the sum of its proper divisors (122571648).

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

49379040 is a wasteful number, since it uses less digits than its factorization.

49379040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 49379040 is about 7027.0221288964. The cubic root of 49379040 is about 366.8717016711.

The spelling of 49379040 in words is "forty-nine million, three hundred seventy-nine thousand, forty".