1040730427 has 16 divisors (see below), whose sum is σ = 1189002240. Its totient is φ = 901700800.

The previous prime is 1040730409. The next prime is 1040730451. The reversal of 1040730427 is 7240370401.

It is not a de Polignac number, because 1040730427 - 2²⁷ = 906512699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040730395 and 1040730404.

It is not an unprimeable number, because it can be changed into a prime (1040730127) 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, 63774 + ... + 78412.

It is an arithmetic number, because the mean of its divisors is an integer number (74312640).

Almost surely, 2^1040730427 is an apocalyptic number.

1040730427 is a deficient number, since it is larger than the sum of its proper divisors (148271813).

1040730427 is a wasteful number, since it uses less digits than its factorization.

1040730427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14954.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 1040730427 is about 32260.3537953321. The cubic root of 1040730427 is about 1013.3965402945.

The spelling of 1040730427 in words is "one billion, forty million, seven hundred thirty thousand, four hundred twenty-seven".