1451661403430 has 64 divisors (see below), whose sum is σ = 2995470858240. Its totient is φ = 496180992384.

The previous prime is 1451661403391. The next prime is 1451661403447. The reversal of 1451661403430 is 343041661541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67455032 + ... + 67476548.

It is an arithmetic number, because the mean of its divisors is an integer number (46804232160).

Almost surely, 2^{1451661403430} is an apocalyptic number.

1451661403430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1451661403430 is an abundant number, since it is smaller than the sum of its proper divisors (1543809454810).

1451661403430 is a wasteful number, since it uses less digits than its factorization.

1451661403430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24453.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 1451661403430 in words is "one trillion, four hundred fifty-one billion, six hundred sixty-one million, four hundred three thousand, four hundred thirty".