420366710763640 has 16 divisors (see below), whose sum is σ = 945825099218280. Its totient is φ = 168146684305440.

The previous prime is 420366710763613. The next prime is 420366710763653. The reversal of 420366710763640 is 46367017663024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5254583884506 + ... + 5254583884585.

Almost surely, 2^{420366710763640} is an apocalyptic number.

420366710763640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420366710763640 is an abundant number, since it is smaller than the sum of its proper divisors (525458388454640).

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

420366710763640 is a wasteful number, since it uses less digits than its factorization.

420366710763640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509167769102 (or 10509167769098 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 55.

The spelling of 420366710763640 in words is "four hundred twenty trillion, three hundred sixty-six billion, seven hundred ten million, seven hundred sixty-three thousand, six hundred forty".