49001390 has 24 divisors (see below), whose sum is σ = 91157400. Its totient is φ = 18964560.

The previous prime is 49001377. The next prime is 49001411. The reversal of 49001390 is 9310094.

It is a happy number.

It is a super-2 number, since 2×49001390² = 4802272443864200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7061 + ... + 12159.

It is an arithmetic number, because the mean of its divisors is an integer number (3798225).

Almost surely, 2^49001390 is an apocalyptic number.

49001390 is a deficient number, since it is larger than the sum of its proper divisors (42156010).

49001390 is a wasteful number, since it uses less digits than its factorization.

49001390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168 (or 5137 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 49001390 is about 7000.0992850102. The cubic root of 49001390 is about 365.9340311294.

The spelling of 49001390 in words is "forty-nine million, one thousand, three hundred ninety".