420454150000 has 120 divisors (see below), whose sum is σ = 1025564515920. Its totient is φ = 166968960000.

The previous prime is 420454149977. The next prime is 420454150009. The reversal of 420454150000 is 51454024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420454150009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6919752 + ... + 6980248.

It is an arithmetic number, because the mean of its divisors is an integer number (8546370966).

Almost surely, 2^420454150000 is an apocalyptic number.

420454150000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420454150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512782257960).

420454150000 is an abundant number, since it is smaller than the sum of its proper divisors (605110365920).

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

420454150000 is an equidigital number, since it uses as much as digits as its factorization.

420454150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60669 (or 60643 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 420454150000 in words is "four hundred twenty billion, four hundred fifty-four million, one hundred fifty thousand".