420150780 has 192 divisors, whose sum is σ = 1530869760. Its totient is φ = 93657600.

The previous prime is 420150707. The next prime is 420150793. The reversal of 420150780 is 87051024.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153625 + ... + 156335.

It is an arithmetic number, because the mean of its divisors is an integer number (7973280).

Almost surely, 2^420150780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420150780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765434880).

420150780 is an abundant number, since it is smaller than the sum of its proper divisors (1110718980).

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

420150780 is a wasteful number, since it uses less digits than its factorization.

420150780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 420150780 is about 20497.5798571441. The cubic root of 420150780 is about 748.9768448394.

The spelling of 420150780 in words is "four hundred twenty million, one hundred fifty thousand, seven hundred eighty".