2146140744 has 64 divisors (see below), whose sum is σ = 6161184000. Its totient is φ = 616115520.

The previous prime is 2146140739. The next prime is 2146140767. The reversal of 2146140744 is 4470416412.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 208914 + ... + 218945.

It is an arithmetic number, because the mean of its divisors is an integer number (96268500).

Almost surely, 2^2146140744 is an apocalyptic number.

2146140744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2146140744 is an abundant number, since it is smaller than the sum of its proper divisors (4015043256).

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

2146140744 is a wasteful number, since it uses less digits than its factorization.

2146140744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427898 (or 427894 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 2146140744 is about 46326.4583580485. The cubic root of 2146140744 is about 1289.8901703261.

The spelling of 2146140744 in words is "two billion, one hundred forty-six million, one hundred forty thousand, seven hundred forty-four".