1332521940 has 48 divisors (see below), whose sum is σ = 3733273152. Its totient is φ = 355128576.

The previous prime is 1332521873. The next prime is 1332521941. The reversal of 1332521940 is 491252331.

It is a super-2 number, since 2×1332521940² = 3551229441162727200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1332521898 and 1332521907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332521941) 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, 113632 + ... + 124808.

It is an arithmetic number, because the mean of its divisors is an integer number (77776524).

Almost surely, 2^1332521940 is an apocalyptic number.

1332521940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332521940 is an abundant number, since it is smaller than the sum of its proper divisors (2400751212).

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

1332521940 is a wasteful number, since it uses less digits than its factorization.

1332521940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13176 (or 13174 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1332521940 is about 36503.7250154008. The cubic root of 1332521940 is about 1100.4191075145.

The spelling of 1332521940 in words is "one billion, three hundred thirty-two million, five hundred twenty-one thousand, nine hundred forty".