1372274323240 has 32 divisors (see below), whose sum is σ = 3087657947880. Its totient is φ = 548902490112.

The previous prime is 1372274323219. The next prime is 1372274323249. The reversal of 1372274323240 is 423234722731.

It can be written as a sum of positive squares in 4 ways, for example, as 1119605236996 + 252669086244 = 1058114^2 + 502662^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1372274323193 and 1372274323202.

It is not an unprimeable number, because it can be changed into a prime (1372274323249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3675424 + ... + 4031536.

Almost surely, 2^{1372274323240} is an apocalyptic number.

1372274323240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372274323240 is an abundant number, since it is smaller than the sum of its proper divisors (1715383624640).

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

1372274323240 is a wasteful number, since it uses less digits than its factorization.

1372274323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452461 (or 452457 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 40.

The spelling of 1372274323240 in words is "one trillion, three hundred seventy-two billion, two hundred seventy-four million, three hundred twenty-three thousand, two hundred forty".