49430740 has 48 divisors (see below), whose sum is σ = 108993024. Its totient is φ = 18806400.

The previous prime is 49430729. The next prime is 49430741. The reversal of 49430740 is 4703494.

It is a super-5 number, since 5×49430740⁵ (a number of 40 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49430741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37167 + ... + 38473.

It is an arithmetic number, because the mean of its divisors is an integer number (2270688).

Almost surely, 2^49430740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49430740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54496512).

49430740 is an abundant number, since it is smaller than the sum of its proper divisors (59562284).

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

49430740 is a wasteful number, since it uses less digits than its factorization.

49430740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 49430740 is about 7030.6998229195. The cubic root of 49430740 is about 366.9996955948. Note that the first 3 decimals are identical.

The spelling of 49430740 in words is "forty-nine million, four hundred thirty thousand, seven hundred forty".