1040401977 has 8 divisors (see below), whose sum is σ = 1387559040. Its totient is φ = 693423120.

The previous prime is 1040401951. The next prime is 1040401991. The reversal of 1040401977 is 7791040401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040401977 - 2¹⁶ = 1040336441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040401997) 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, 30274 + ... + 54747.

It is an arithmetic number, because the mean of its divisors is an integer number (173444880).

Almost surely, 2^1040401977 is an apocalyptic number.

It is an amenable number.

1040401977 is a deficient number, since it is larger than the sum of its proper divisors (347157063).

1040401977 is an equidigital number, since it uses as much as digits as its factorization.

1040401977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89103.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 1040401977 is about 32255.2627798938. The cubic root of 1040401977 is about 1013.2899212295.

The spelling of 1040401977 in words is "one billion, forty million, four hundred one thousand, nine hundred seventy-seven".