1400837380 has 12 divisors (see below), whose sum is σ = 2941758540. Its totient is φ = 560334944.

The previous prime is 1400837363. The next prime is 1400837381. The reversal of 1400837380 is 837380041.

It can be written as a sum of positive squares in 2 ways, for example, as 1084780096 + 316057284 = 32936^2 + 17778^2 .

It is not an unprimeable number, because it can be changed into a prime (1400837381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35020915 + ... + 35020954.

It is an arithmetic number, because the mean of its divisors is an integer number (245146545).

Almost surely, 2^1400837380 is an apocalyptic number.

1400837380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400837380 is an abundant number, since it is smaller than the sum of its proper divisors (1540921160).

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

1400837380 is a wasteful number, since it uses less digits than its factorization.

1400837380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70041878 (or 70041876 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1400837380 is about 37427.7621559184. The cubic root of 1400837380 is about 1118.9119375669.

The spelling of 1400837380 in words is "one billion, four hundred million, eight hundred thirty-seven thousand, three hundred eighty".