1010400340 has 36 divisors (see below), whose sum is σ = 2157354108. Its totient is φ = 397505280.

The previous prime is 1010400337. The next prime is 1010400353. The reversal of 1010400340 is 430040101.

It can be written as a sum of positive squares in 6 ways, for example, as 136843204 + 873557136 = 11698^2 + 29556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1010400340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67632 + ... + 81208.

It is an arithmetic number, because the mean of its divisors is an integer number (59926503).

Almost surely, 2^1010400340 is an apocalyptic number.

1010400340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010400340 is an abundant number, since it is smaller than the sum of its proper divisors (1146953768).

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

1010400340 is a wasteful number, since it uses less digits than its factorization.

1010400340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13708 (or 13645 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1010400340 is about 31786.7950570673. The cubic root of 1010400340 is about 1003.4548304014.

Adding to 1010400340 its reverse (430040101), we get a palindrome (1440440441).

The spelling of 1010400340 in words is "one billion, ten million, four hundred thousand, three hundred forty".