49151340 has 96 divisors (see below), whose sum is σ = 174773760. Its totient is φ = 11233728.

The previous prime is 49151339. The next prime is 49151341. The reversal of 49151340 is 4315194.

It is an interprime number because it is at equal distance from previous prime (49151339) and next prime (49151341).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (49151341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2722 + ... + 10281.

It is an arithmetic number, because the mean of its divisors is an integer number (1820560).

Almost surely, 2^49151340 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 49151340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87386880).

49151340 is an abundant number, since it is smaller than the sum of its proper divisors (125622420).

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

49151340 is a wasteful number, since it uses less digits than its factorization.

49151340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13028 (or 13020 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 49151340 is about 7010.8016660008. The cubic root of 49151340 is about 366.3069180451.

The spelling of 49151340 in words is "forty-nine million, one hundred fifty-one thousand, three hundred forty".