1040462378 has 4 divisors (see below), whose sum is σ = 1560693570. Its totient is φ = 520231188.

The previous prime is 1040462341. The next prime is 1040462413. The reversal of 1040462378 is 8732640401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8732640401 = 28807 ⋅303143.

It can be written as a sum of positive squares in only one way, i.e., 653671489 + 386790889 = 25567^2 + 19667^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260115593 + ... + 260115596.

Almost surely, 2^1040462378 is an apocalyptic number.

1040462378 is a deficient number, since it is larger than the sum of its proper divisors (520231192).

1040462378 is an equidigital number, since it uses as much as digits as its factorization.

1040462378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520231191.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1040462378 is about 32256.1990631258. The cubic root of 1040462378 is about 1013.3095298492.

The spelling of 1040462378 in words is "one billion, forty million, four hundred sixty-two thousand, three hundred seventy-eight".