49378340 has 48 divisors (see below), whose sum is σ = 119085120. Its totient is φ = 17009280.

The previous prime is 49378337. The next prime is 49378361. The reversal of 49378340 is 4387394.

It is a super-2 number, since 2×49378340² = 4876440922311200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 49378294 and 49378303.

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, 1727 + ... + 10086.

It is an arithmetic number, because the mean of its divisors is an integer number (2480940).

Almost surely, 2^49378340 is an apocalyptic number.

It is an amenable number.

49378340 is an abundant number, since it is smaller than the sum of its proper divisors (69706780).

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

49378340 is a wasteful number, since it uses less digits than its factorization.

49378340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852 (or 11850 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 49378340 is about 7026.9723209929. The cubic root of 49378340 is about 366.8699680651.

The spelling of 49378340 in words is "forty-nine million, three hundred seventy-eight thousand, three hundred forty".