420051251007 has 16 divisors (see below), whose sum is σ = 622349882880. Its totient is φ = 280010887416.

The previous prime is 420051251003. The next prime is 420051251017. The reversal of 420051251007 is 700152150024.

420051251007 is a `hidden beast` number, since 42 + 0 + 0 + 512 + 5 + 100 + 7 = 666.

It is not a de Polignac number, because 420051251007 - 2² = 420051251003 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420051251003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312733 + ... + 968454.

It is an arithmetic number, because the mean of its divisors is an integer number (38896867680).

Almost surely, 2^420051251007 is an apocalyptic number.

420051251007 is a deficient number, since it is larger than the sum of its proper divisors (202298631873).

420051251007 is a wasteful number, since it uses less digits than its factorization.

420051251007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293339 (or 1293333 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 420051251007 in words is "four hundred twenty billion, fifty-one million, two hundred fifty-one thousand, seven".