1506266780 has 96 divisors (see below), whose sum is σ = 3401975808. Its totient is φ = 558835200.

The previous prime is 1506266767. The next prime is 1506266809. The reversal of 1506266780 is 876626051.

It is a super-2 number, since 2×1506266780² = 4537679225063136800, which contains 22 as substring.

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, 5360240 + ... + 5360520.

It is an arithmetic number, because the mean of its divisors is an integer number (35437248).

Almost surely, 2^1506266780 is an apocalyptic number.

1506266780 is a gapful number since it is divisible by the number (10) 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 1506266780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700987904).

1506266780 is an abundant number, since it is smaller than the sum of its proper divisors (1895709028).

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

1506266780 is a wasteful number, since it uses less digits than its factorization.

1506266780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1506266780 is about 38810.6529190118. The cubic root of 1506266780 is about 1146.3061770557.

The spelling of 1506266780 in words is "one billion, five hundred six million, two hundred sixty-six thousand, seven hundred eighty".