2451021460 has 12 divisors (see below), whose sum is σ = 5147145108. Its totient is φ = 980408576.

The previous prime is 2451021437. The next prime is 2451021467. The reversal of 2451021460 is 641201542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1111022224 + 1339999236 = 33332^2 + 36606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451021467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61275517 + ... + 61275556.

It is an arithmetic number, because the mean of its divisors is an integer number (428928759).

Almost surely, 2^2451021460 is an apocalyptic number.

2451021460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451021460 is an abundant number, since it is smaller than the sum of its proper divisors (2696123648).

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

2451021460 is a wasteful number, since it uses less digits than its factorization.

2451021460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122551082 (or 122551080 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2451021460 is about 49507.7919119809. The cubic root of 2451021460 is about 1348.2870748734.

The spelling of 2451021460 in words is "two billion, four hundred fifty-one million, twenty-one thousand, four hundred sixty".