1040261650 has 48 divisors (see below), whose sum is σ = 1959928128. Its totient is φ = 410760000.

The previous prime is 1040261617. The next prime is 1040261653. The reversal of 1040261650 is 561620401.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1040261653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1592724 + ... + 1593376.

It is an arithmetic number, because the mean of its divisors is an integer number (40831836).

Almost surely, 2^1040261650 is an apocalyptic number.

1040261650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040261650 is a deficient number, since it is larger than the sum of its proper divisors (919666478).

1040261650 is a wasteful number, since it uses less digits than its factorization.

1040261650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1040261650 is about 32253.0874491110. The cubic root of 1040261650 is about 1013.2443624515.

The spelling of 1040261650 in words is "one billion, forty million, two hundred sixty-one thousand, six hundred fifty".