140077440 has 192 divisors, whose sum is σ = 491203440. Its totient is φ = 36777984.

The previous prime is 140077417. The next prime is 140077451. The reversal of 140077440 is 44770041.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477934 + ... + 478226.

Almost surely, 2^140077440 is an apocalyptic number.

140077440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140077440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245601720).

140077440 is an abundant number, since it is smaller than the sum of its proper divisors (351126000).

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

140077440 is a wasteful number, since it uses less digits than its factorization.

140077440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 140077440 is about 11835.4315510673. The cubic root of 140077440 is about 519.3451322387.

The spelling of 140077440 in words is "one hundred forty million, seventy-seven thousand, four hundred forty".